South32

Specialist, Process Control - Metallurgy

Tucson, AZ

On-site

Mining

About This Job

Date: Jul 25, 2025

Location: Tucson, AZ, US, 85718

Company: South32 Group Operations Pty. Ltd.

Discover a Brighter Future

At South32, we’re meeting the challenge of enabling a sustainable future through our focus on responsibly producing commodities critical for a low-carbon world.

As a collaborative, caring and inclusive company, there’s no better place to make a genuine difference. Together we’re making a positive, global impact that has the potential to change lives.

Whatever career path you choose, we’ll support you every step of the way to learn, grow and succeed. So join us, step towards a brighter future and leave your legacy.

ABOUT Hermosa

Hermosa, located approximately 75 miles south-east of Tucson, Arizona, is the only advanced mining project in the United States as of 2023 that could produce two federally designated critical minerals—manganese and zinc—as well as silver and lead. The project has the potential to help power the nation’s clean energy future, strengthen the domestic supply chain of critical minerals, grow the local economy, and improve lives in Santa Cruz County and the surrounding community for generations to come.

ACERCA de Hermosa

Hermosa, ubicado a aproximadamente 75 millas al sur este de Tucson, Arizona, es el único proyecto de minería avanzada en los Estados Unidos hasta la fecha que puede producir dos minerales designados como críticos por el gobierno federal: manganeso y zinc, así como también plata y plomo. El proyecto tiene el potencial de ayudar a impulsar el futuro energético limpio del país, reforzar la cadena de suministro nacional de minerales esenciales, hacer crecer la economía local y mejorar la calidad de vida en el condado de Santa Cruz y en las comunidades aledañas para las generaciones venideras.

WHAT SOUTH32 OFFERS

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Annual short-term incentive bonus that recognizes both your individual performance and the overall success of the business.

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When you choose to contribute more into your retirement savings, South32 will match it up to a certain percentage.

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South32 provides you with 4 weeks paid time off.

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12 weeks full-paid parental leave for primary carers and 2 weeks full-paid parental leave for secondary carers

ABOUT THE ROLE

The Process Control Specialist - Metallurgy, will support the development of the Hermosa Taylor Project. The project is currently completing a detailed engineering design and beginning construction of the processing plant. This role is based at the Hermosa Project site, near Patagonia, Arizona.

Other key responsibilities include, but aren’t limited to:

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Review engineering documentation for accuracy and completeness.

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Ensure that vendor data for mechanical equipment aligns with the Process Design Criteria, Basis of Design, mass and energy balance.

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Assist with design, implementation, and maintenance of the process control systems to optimize operations and ensure safety

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Configure and maintain Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), and Human-Machine Interfaces (HMI)

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Troubleshoot and resolve issues with process control systems and instrumentation

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Optimize control loops and control strategies to improve plant performance, efficiency, and yield

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Develop and maintain control system documentation, including P&IDs, control narratives, and loop sheets

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Monitor key performance indicators (KPIs) for control system performance

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Stay updated on process control technologies and industry best practices

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Assist in the commissioning and startup of new process units

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Implement and maintain alarm management systems

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Work with vendors on control system hardware and software

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Provide field support for processing plant construction

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Provide training and support to operations and maintenance personnel

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Review of Processing Plant design to ensure safety, operability, and maintainability

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Participation in South32 health and safety programs

ABOUT YOU

You will have experience and demonstrate capability in the following:

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Bachelor’s Degree in Metallurgy, Materials Science and Engineering, Electrical Engineering, Mechanical Engineering, or a related engineering field.

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3+ years of experience working in the mining industry in an operating processing plant

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3+ years of experience in process control engineering preferred

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Demonstrated commitment to safety and environmental stewardship

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Knowledge of Industry Standards (ISA, IEC, ISO, NFPA, MSHA, OSHA, etc.)

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Familiarity with P&IDs and control loop diagrams

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PLC Programming (Allen-Bradley, DeltaV, etc.)

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SCADA / HMI Development (Wonderware, Ignition, GE iFIX, etc.)

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Distributed Control Systems (Emerson DeltaV, ABB, etc.)

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Industrial networking & communication protocols (Modbus, Profibus, OPC, Ethernet/IP)

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Experience with DCS migrations

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Experience with Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC) from vendors such as ABB, Honeywell, Emerson, or Rockwell

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Automation experience preferred

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Experience with Advanced Process Control (APC) tools such as Model Predictive Control (MPC), fuzzy logic, and adaptive control preferred

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Proficiency in data analysis tools and techniques

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Exceptional organizational and communication skills

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Ability to work independently and as part of a cross-functional team

South32 is committed to building and maintaining an inclusive and diverse workforce that reflects the communities in which we operate. We provide a recruitment process that is fair, equitable and accessible for all and we encourage candidates from all backgrounds to apply.

South32 está comprometido a cimentar y mantener una plantilla de trabajadores diversa e inclusiva que refleje las comunidades en las cuales trabajamos. Proporcionamos una proceso de contratación que es justo, equitativo y accesible para todos y alentamos la aplicación de candidatos de todas las procedencias.